Both answers C and D are correct, however, answer D makes more sense.
The answer is D) All of the above
Answer:
Plants make their own nutrients; humans must consume theirs. ... It transports water and nutrients from the roots to the leaves.
Primary succession occurs when vegetation occurs in a place for the very first time, i.e there was no vegetation there before.
The causes are:
-Erosion
-Physiography
-Elevation
Answer:
Hazardous and solid wastes can be solid, liquid and gaseous form.
Explanation:
Hazardous wastes are wastes that are composed of harmful or toxic substances which is generated from industries, households, hospital e.t.c that are threat to humans and their environment.
Solid wastes are discharged or absconded materials such as refuse, sludge, gabbage, from water treatments, air pollution, household, industries e.t.c.
